*{
    margin: 0;
    padding: 0;
    list-style: none;
    border-radius: 4px;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

.wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.wrapper>header{
    height: 50px;
    padding: 5px;
    background: linear-gradient(90deg, #4CAF50, #2196F3);
    color: white;
}

.wrapper>header>*{
    display: inline-block;
    vertical-align: middle;
    margin-left: 1%;
}

.logo-img img{
    margin-top: 5px;
    height: 30px;
}

.logo-text{
    color: white;
    font-size: 1.2em;
    letter-spacing: 2px;
    margin-top: 5px;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

section{
    width: 100%;
    flex: 1;
}

section>*{
    float: left;
}

section>.nav{
    background: white;
    width: 15%;
    height: 100%;
    box-shadow: 2px 0 4px rgba(0,0,0,0.1);
}

.nav dt{
    color: #4CAF50;
    font-size: 0.9em;
    margin-top: 30px;
    padding-left: 10px;
    margin-bottom: 8px;
    font-weight: 600;
}

.nav dd{
    font-size: 1em;
    height: 42px;
    width: 100%;
    line-height: 42px;
    padding-left: 20px;
    color: #555;
    transition: all 0.2s ease;
}

.nav dd>span{
    padding-right: 5px;
    color: #2196F3;
}

section>.content{
    width: 85%;
    height: 100%;
    background-color: white;
    padding: 20px;
}

.nav dd:hover{
    color: #FF9800;
    cursor: pointer;
    background-color: #f9f9f9;
}

.no-focus{
    color: #aaa;
}

.focus{
    color: #FF9800;
    background-color: #FFF3E0;
}

iframe{
    width: 100%;
    height: 100%;
    outline: none;
    border: 0;
    border-radius: 4px;
}

#mainFrame {
    width: 100%;
    height: 100%;
    border: none;
    overflow: auto;
}